Weather Records on 1 August 1939

335 weather records were set or tied worldwide on 1 August 1939. Highest significance: Lightning Ridge Post Office, AU.

Key Facts for 1 August 1939

On 1 August 1939, 335 weather records were set or tied at long-record stations worldwide.
78 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 320 daily.
Lightning Ridge Post Office set a monthly record daily precipitation of 63.5 mm (2.5 in) on 1 August 1939.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 442 records.

Record Map

335 stations

335 station records on 1 August 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 August 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lightning Ridge Post Office	Australia	Record daily precipitation	63.5 mm (2.5 in)	69 of 100 (Major)
Coonamble (Nardoo)	Australia	Record daily precipitation	86.1 mm (3.4 in)	69 of 100 (Major)
Murrawombi	Australia	Record daily precipitation	77.5 mm (3.1 in)	64 of 100 (Major)
Hoorn	Netherlands	Record daily precipitation	49.5 mm (1.9 in)	51 of 100 (Notable)
Oakdale	United States	Record daily precipitation	48.8 mm (1.9 in)	49 of 100 (Notable)
Corona Downs	Australia	Record daily precipitation	28.4 mm (1.1 in)	48 of 100 (Notable)
Cobar (Double Gates)	Australia	Record daily precipitation	29.0 mm (1.1 in)	48 of 100 (Notable)
Summervale (Gundaur)	Australia	Record daily precipitation	54.4 mm (2.1 in)	47 of 100 (Notable)
Morangarell	Australia	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Gongolgon Post Office	Australia	Record daily precipitation	52.8 mm (2.1 in)	44 of 100 (Notable)
Fulham Park	Australia	Record daily precipitation	43.7 mm (1.7 in)	44 of 100 (Notable)
Grong Grong (Berembed)	Australia	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Carabost	Australia	Record daily precipitation	36.1 mm (1.4 in)	43 of 100 (Notable)
Beaconsfield	Australia	Record daily precipitation	25.9 mm (1.0 in)	41 of 100 (Notable)
Sodankyla AWS	Finland	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Katwa	India	Record daily precipitation	113.5 mm (4.5 in)	39 of 100 (Notable)
Yellow Mountain	Australia	Record daily precipitation	39.4 mm (1.6 in)	36 of 100 (Notable)
Nyngan (Merryanbone)	Australia	Record daily precipitation	61.2 mm (2.4 in)	36 of 100 (Notable)
Vernon	United States	Record daily precipitation	68.3 mm (2.7 in)	34 of 100 (Routine)
Quabathoo	Australia	Record daily precipitation	62.5 mm (2.5 in)	33 of 100 (Routine)
Terry Hie Hie	Australia	Record daily precipitation	38.9 mm (1.5 in)	33 of 100 (Routine)
Cowley Station	Australia	Record daily precipitation	25.9 mm (1.0 in)	32 of 100 (Routine)
Samastipur	India	Record daily precipitation	97.0 mm (3.8 in)	31 of 100 (Routine)
Kalyanganj	India	Record daily precipitation	79.2 mm (3.1 in)	31 of 100 (Routine)
Wilkie	Australia	Record daily precipitation	39.6 mm (1.6 in)	30 of 100 (Routine)
Macarthur (Glenhuntly)	Australia	Record daily precipitation	28.4 mm (1.1 in)	30 of 100 (Routine)
Las Vegas 2 NW	United States	Record high minimum temperature	18.9 C (66.0 F)	30 of 100 (Routine)
Gunningbar	Australia	Record daily precipitation	25.9 mm (1.0 in)	29 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record low maximum temperature	10.6 C (51.1 F)	29 of 100 (Routine)
Berhampore	India	Record daily precipitation	183.4 mm (7.2 in)	29 of 100 (Routine)
Milo Station	Australia	Record daily precipitation	38.6 mm (1.5 in)	28 of 100 (Routine)
Adavale Post Office	Australia	Record daily precipitation	39.1 mm (1.5 in)	27 of 100 (Routine)
Bourke Post Office	Australia	Record high minimum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Wunnamurra	Australia	Record daily precipitation	38.1 mm (1.5 in)	27 of 100 (Routine)
Milwaukee Wb City	United States	Record high minimum temperature	22.8 C (73.0 F)	27 of 100 (Routine)
Schreiber	Canada	Record daily precipitation	27.4 mm (1.1 in)	25 of 100 (Routine)
Teonthar	India	Record daily precipitation	122.9 mm (4.8 in)	25 of 100 (Routine)
Ottawa	United States	Record daily precipitation	38.1 mm (1.5 in)	25 of 100 (Routine)
Atraula	India	Record daily precipitation	99.1 mm (3.9 in)	23 of 100 (Routine)
Bongaon	India	Record daily precipitation	78.7 mm (3.1 in)	22 of 100 (Routine)
Watertown Wwtp	United States	Record high maximum temperature	36.1 C (97.0 F)	22 of 100 (Routine)
Banff	Canada	Record low minimum temperature	0.6 C (33.1 F)	21 of 100 (Routine)
Burrabogie	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Low Isles Lighthouse	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
St Arnaud	Australia	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Eulolo Station	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Ayrshire Downs	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
St Albans	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Alexandria	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Tangorin	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Llanrheidol Station	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Bulgroo Station	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Yantabulla (Brindingabba)	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Chepstowe	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Belmont	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Gumbardo	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Bannockburn	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Skipton Post Office	Australia	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Barcaldine Post Office	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Maneroo	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

335 records

Records set or tied on 1 August 1939 by type: Highest daily maximum 33, Lowest daily maximum 8, Highest daily minimum 45, Lowest daily minimum 21, Heaviest daily rainfall 228.

Records on 1 August 1939 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	8
Highest daily minimum	45
Lowest daily minimum	21
Heaviest daily rainfall	228
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 August 1939 by timescale: all-time 0, monthly 15, daily 320.

How Much Records Were Beaten By

276 broken records

Margins by which the 276 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.0. Ties are not counted.

Top 20 by Significance

1 August 1939

Top 20 records on 1 August 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 August 1939	Lightning Ridge Post Office, AU	monthly rain	63.5 mm (2.5 in)	35.8 mm (1.4 in)	47 years	69 of 100 (Major)
1 August 1939	Coonamble (Nardoo), AU	monthly rain	86.1 mm (3.4 in)	50.8 mm (2.0 in)	47 years	69 of 100 (Major)
1 August 1939	Murrawombi, AU	monthly rain	77.5 mm (3.1 in)	45.2 mm (1.8 in)	30 years	64 of 100 (Major)
1 August 1939	Hoorn, NL	daily rain	49.5 mm (1.9 in)	33.7 mm (1.3 in)	21 years	51 of 100 (Notable)
1 August 1939	Oakdale, US	daily rain	48.8 mm (1.9 in)	36.6 mm (1.4 in)	40 years	49 of 100 (Notable)
1 August 1939	Corona Downs, AU	daily rain	28.4 mm (1.1 in)	28.4 mm (1.1 in)	50 years	48 of 100 (Notable)
1 August 1939	Cobar (Double Gates), AU	daily rain	29.0 mm (1.1 in)	22.6 mm (0.9 in)	47 years	48 of 100 (Notable)
1 August 1939	Summervale (Gundaur), AU	daily rain	54.4 mm (2.1 in)	46.8 mm (1.8 in)	12 years	47 of 100 (Notable)
1 August 1939	Morangarell, AU	daily rain	33.0 mm (1.3 in)	23.6 mm (0.9 in)	6 years	47 of 100 (Notable)
1 August 1939	Gongolgon Post Office, AU	monthly rain	52.8 mm (2.1 in)	15.2 mm (0.6 in)	39 years	44 of 100 (Notable)
1 August 1939	Fulham Park, AU	daily rain	43.7 mm (1.7 in)	31.0 mm (1.2 in)	28 years	44 of 100 (Notable)
1 August 1939	Grong Grong (Berembed), AU	daily rain	31.8 mm (1.3 in)	22.4 mm (0.9 in)	1 year	44 of 100 (Notable)
1 August 1939	Carabost, AU	daily rain	36.1 mm (1.4 in)	24.7 mm (1.0 in)	29 years	43 of 100 (Notable)
1 August 1939	Beaconsfield, AU	daily rain	25.9 mm (1.0 in)	25.9 mm (1.0 in)	42 years	41 of 100 (Notable)
1 August 1939	Sodankyla AWS, FI	daily rain	31.8 mm (1.3 in)	20.6 mm (0.8 in)	8 years	41 of 100 (Notable)
1 August 1939	Katwa, IN	daily rain	113.5 mm (4.5 in)	62.7 mm (2.5 in)	14 years	39 of 100 (Notable)
1 August 1939	Yellow Mountain, AU	daily rain	39.4 mm (1.6 in)	16.3 mm (0.6 in)	30 years	36 of 100 (Notable)
1 August 1939	Nyngan (Merryanbone), AU	monthly rain	61.2 mm (2.4 in)	6.1 mm (0.24 in)	51 years	36 of 100 (Notable)
1 August 1939	Vernon, US	daily rain	68.3 mm (2.7 in)	36.5 mm (1.4 in)	12 years	34 of 100 (Routine)
1 August 1939	Quabathoo, AU	monthly rain	62.5 mm (2.5 in)	5.3 mm (0.21 in)	39 years	33 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1797 to 1939

Records set or tied on this calendar date in each year from 1797 to 1939. 1939 had 335 records.

Counts for years before the ledger starts come from the same station rules.

Records on 08-01 in each year
Year	Records
1797	1
1816	2
1829	1
1833	1
1834	2
1836	1
1838	1
1842	1
1851	1
1856	1
1858	3
1859	1
1861	1
1862	1
1863	1
1865	1
1868	1
1869	2
1873	1
1874	1
1875	3
1876	1
1878	1
1879	1
1881	3
1883	1
1886	2
1887	1
1890	1
1891	7
1892	4
1893	3
1894	1
1895	3
1896	4
1897	2
1898	3
1899	1
1900	1
1901	3
1902	5
1903	19
1904	10
1905	12
1906	18
1907	13
1908	18
1909	15
1910	30
1911	46
1912	49
1913	25
1914	17
1915	49
1916	16
1917	108
1918	55
1919	32
1920	101
1921	87
1922	44
1923	203
1924	93
1925	281
1926	252
1927	266
1928	132
1929	161
1930	252
1931	362
1932	408
1933	487
1934	448
1935	547
1936	636
1937	492
1938	523
1939	335
1940	333
1941	341
1942	388
1943	398
1944	410
1945	975
1946	336
1947	401
1948	354
1949	324
1950	552
1951	420
1952	391
1953	565
1954	462
1955	796
1956	441
1957	270
1958	389
1959	352
1960	677
1961	404
1962	602
1963	270
1964	883
1965	669
1966	383
1967	250
1968	625
1969	453
1970	482
1971	1,135
1972	609
1973	766
1974	526
1975	915
1976	886
1977	636
1978	706
1979	580
1980	906
1981	668
1982	742
1983	931
1984	532
1985	987
1986	846
1987	999
1988	880
1989	1,301
1990	927
1991	740
1992	1,024
1993	907
1994	1,217
1995	1,513
1996	1,118
1997	904
1998	1,281
1999	1,707
2000	1,020
2001	1,079
2002	1,249
2003	1,155
2004	740
2005	878
2006	1,655
2007	746
2008	795
2009	932
2010	1,182
2011	1,191
2012	850
2013	542
2014	853
2015	864
2016	499
2017	758
2018	987
2019	479
2020	838
2021	1,009
2022	915
2023	627
2024	879
2025	785
2026	1,085

Download the Data

Data for records on 1939-08-01: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	203
10 to 20	48
20 to 30	11
30 to 40	7
40 to 50	4
50 to 60	1
60 to 70	2